I
Olfactory - smell
II
Optic - vision
III
Oculomotor - eye movements; also parasympathetics to eye smooth muscles
IV
Trochlear - eye movements
V
Trigeminal - Sensory nerve to skin, oral and nasal cavities, outer ear
VI
Abducens - eye movements
VII
Facial - muscles of facial expression; also tase, parasympathetics, etc.
VIII
Vestibulo-cochlear (stato-acoustic) - hearing and balance
IX
Glossopharyngeal - sensory to pharynx, back of tongue (gag reflex), etc.
X
Vagus - motor to pharynx (most), larynx (voice box); soft palate; many others
XI
Accessory - motor to sternocleidomastoid, trapezius
XII
Hypoglossal - motor to muscles of tongue